PedroA:
Forgot to mention, it would be good if the LEDs had close to the lipo battery voltage- 3.7V
Why? It makes it much harder to control the LED current when the two voltages are close to each other.
PedroA:
Forgot to mention, it would be good if the LEDs had close to the lipo battery voltage- 3.7V
Why? It makes it much harder to control the LED current when the two voltages are close to each other.